/*
 * Copyright (c) 2008-2016 Haulmont.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.haulmont.cuba.web.widgets.data;

import java.util.Collection;

public interface GroupTableContainer extends TableSortableContainer {
    void groupBy(Object[] properties);

    boolean isGroup(Object id);

    Collection<?> rootGroups();

    boolean hasChildren(Object id);

    Collection<?> getChildren(Object id);

    Object getGroupProperty(Object id);

    Object getGroupPropertyValue(Object id);

    Collection<?> getGroupItemIds(Object id);

    int getGroupItemsCount(Object id);

    boolean hasGroups();

    Collection<?> getGroupProperties();

    void expandAll();
    void expand(Object id);

    void collapseAll();
    void collapse(Object id);

    boolean isExpanded(Object id);
}